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CA1327530C - Device and composition for treatment of the gums - Google Patents

Device and composition for treatment of the gums

Info

Publication number
CA1327530C
CA1327530C CA000572377A CA572377A CA1327530C CA 1327530 C CA1327530 C CA 1327530C CA 000572377 A CA000572377 A CA 000572377A CA 572377 A CA572377 A CA 572377A CA 1327530 C CA1327530 C CA 1327530C
Authority
CA
Canada
Prior art keywords
solution
ibuprofen
solution contains
reservoir
tip portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA000572377A
Other languages
French (fr)
Inventor
Abdul Gaffar
John Afflitto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Colgate Palmolive Co
Original Assignee
Colgate Palmolive Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Colgate Palmolive Co filed Critical Colgate Palmolive Co
Application granted granted Critical
Publication of CA1327530C publication Critical patent/CA1327530C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/02Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00Dental auxiliary appliances
    • A61C19/06Implements for therapeutic treatment
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00Dental auxiliary appliances
    • A61C19/06Implements for therapeutic treatment
    • A61C19/063Medicament applicators for teeth or gums, e.g. treatment with fluorides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/185Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19Carboxylic acids, e.g. valproic acid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36Carboxylic acids; Salts or anhydrides thereof

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Emergency Medicine (AREA)
  • Birds (AREA)
  • Medicinal Chemistry (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

DEVICE AND COMPOSITION FOR
TREATMENT OF THE GUMS

ABSTRACT

Ibuprofen, pharmaceutically acceptable salt thereof or lower alkyl C1-6 ester thereof, in solution in periodontal gum device comprising elongated handle member terminating proximally in a flexible tip portion provided with an aperture for discharge of the solution which is effective to reduce gingival inflammation and swelling.

Description

~ 3~7~3~

miS invention relates to improving the hygiene of the gums by applying an anti-inflammatory camposition direc~ly into pcckets in the gingival sulcus from a device configured to manipulate the gingival sulous.
It has been taught in the art to incorporate into topically applied oral compositions, such as dental creams and m~uth rin~es, materials which promo~e oral hygiene and reduce ~ingivitis. For instanoe , U.S. Patents 4,272,512; 4,272,513; and 4,309,410; each to Gaffar, disclo6e oral oomp~si~ion~ containiny tranexamic acid antigingivitis agent.
In U.S. Paten~ 4,617,918 to DonDhue et al, a device is de~cribed of the type which may be employed in acoordance with the present invention. Ihe device has a tip ccnfigured to expedite probing contact with the gingival 5ulcus and an aperture through which liquid from a resevoir is supplied for discharge into subgingival areas, The liquid suppli~d may be irrigant such as an isotonic saline solution and/or a medicament liquid.
In Eelgian Patent 900,481 to ~pjohn, Ibuprofen and flurbiprofen are disclosed as materials whi~h prevent or inhibit resorption of alveolar bone in wanm blcoded animals when administered orally, topically or bucally or by injection or subdermal implan~ation. One of the most comm~n peridontal conditions is chronic destructive periodontitis resulting in progressive loss of alveolar bone leading to tooth m~bility and loss. This condition, chronic destructive periodontis! which is prevented or inhibited by Ibuprofen or flurbiprofen, is distinguished from the other ccmmon peridontal condition, chronic gingivitis, wherein the gingiva are inflamed.
Ibuprofen and flurbiproen are anti-infla~matory compounds. Indeed, in addition to its effect in reducing alveolar bone resorption, it has b~en observ~d that flurbiprofen also appears to reduce gingival inflammation and sw~lling upon topical application. Howe~er, Ibuprofen, the alternate inhibitor ~- 2 -~32~3~

of bone resorption in Belgian Patent 900481 when incorporatedinto mouth rinse is observed to be without effect in reducing gingival inflammation and swelling.
It is an advantage of this invention that the anti-inflammatory properties of Ibuprofan are employed to reducing gingival inflammation and swelling, It is a further advantage of this invention that a pe-riodontal gum device is employed to efectuate the anti-inflammatory property of Ikuprofen against inflammation and swelling.
Further advantages of this invention will be apparent from consideration of the following specification.
In accordance with certain of its aspects, this invention relates to a periodontal gum device camprising an elongated handle member terminating proximally in a flexible tip portion provided with at least one aperture for discharge of a solution containing 0.1-5% by weight of Ibuprofenl a pharmaceutically acceptable salt thereof or lower alkyl Cl 6 ester thereof, which is stored in a fluid reservoir in said device from which said solution is delivered to said aperture, said tip portion being configured to expedite probing contact with gingival sulcus and penmit discharge of said solution into gingival sulcus~
Ibuprofen is C~-methyl-4-(2-methylpropyl)benzeneacetic acid and is prepared as described in U.S. Patent 3,228,831. Its structure is:

( CH3 ) :ICHCH ~3 CHCOOIl In addition ta Ibuprofen itself, as the active material ~ ~2~53~

ester of Ibuprofen for the inhibition or prevention of ~ingival inflamma~ion and swelling. Phanmaceutically acceptable salts of IbuproEen useful in practicing ~he present invention are alkali metal salts such as the potassi~m or sodium salt, alkaline earth salts s~ch as calcium or magnesium, or amine salts such as t-butyl amine. Lower alkyl Cl 6 esters of Ibuprofen useful ln practicing the present inven~ion include the methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, t-butyl, pentyl and hexyl esters. Such compounds are essentially as set forth in Belgian Patent 900,48l. Ibuprofen is present in the eluid resevoir in am~unt of about 0.1-5~ by weight, preferably about 1-3~, ~n water and/or humectant such as glycerine, sorbltol syrup, polyethylena glycol 400 or 600 and/or essential oll such as oil of cloves, peppermint, spearmint or wintergreen (nethyl salicylate). A
surface active agent such as an anionic surfactant (e.g. sodium l~uryl sul~ate), a non-ionic surEactant ~e.g. a Pluronic material) or a cationic sur~actant ~e.g. betaine) ~ay al~o be present in amount of ab~ut 0.1-5~, by weight. A preservative such as sodium benzoate may be present. The pH may be adjusted, typic~lly between ab~ut 7-8. 5. A typical periodontal gum device useful to convey Ibuprofen solution to gingival packets is as described in U.S. Patent 4~617,9l8. A design modification of the de~ice is described in Canadian Industrial Design Registra-tion Numb~r 64,73q registered 14 November 1989. It is further described in detail by reference to the accomFanying drawings wherein like reference numerals de~ignate similar parts throughout the views and wherein:
Brief ~escription o~ the Dkawinqs ~ig. 1 schematically illustrates embodim~nts of ~he device wherein the ~luid reservoir portion cG~prises a physically separate member;
Fig. 2 is a vertical sectional view oE the tip -~ portion oE Fig. l;

B

~C~753~

Fig. 2a is a top view (shown in full) of the tip portion of Fig. 2;
Fig. 3 is a side view taken in section illustrating an additional embodiment of the device;
Fig. 3a is a top view of an insert cap in accordance with the device;
Figs. 4 and 4a illustrate in vertical section, shown partly broken away, a valve actuated tip portion in accordance with the device;
Figs~ 5 and 5a illustrate in vertical sec~ion, shown partly broken away, a valve ac~uated tip portion in accordance with an addi~ional ~mbodLment of the device.
Fig. 6 illus~ra~es a modification of the device of Fig. 1.
~ the Device The device as illustra~ed schematically in the ~mbod~ment of Fig.
1 comprises an elongated probe element i.ndicated generally at 10 comprising a handle m~mber 12 which may be of solid or tubular construc~ion as will be explained and nk~y be circular, rectilinear, etc., in cross section to expedite hand gripping.
m e probe 10 tenminates proxLmally in a flexible tip portion 14 thro~gh a neck portion 16, ang1ed as illustrated to facilitate positional maneuvering of the tip portion 14 within the oral cavity. As illustrated in Figs 2 and 2a, the tip portion 14 consists of a cylindrical neck portion 18 for fixedly rec~iving a conduit 20 to a depth within a channel 22 as is consistent with structural integri~yO Attachment may be secured by adh0sive or other suitable means, as is known. Stepped cylindrical portions 24 and 26 provide a configuration consistent with structured stability and avoid corner portions which might otherwise be injurious to the gum during use of the device. Ihe tip portion 14 is secured to the handle member 12 via a ring portion 28 integral with the neck 16. m e tip 14 converges dcwnwardly as illustrated at 26, terminating at the outer end 23 of the channel.

~ ~7530 m e conduit 20 connects the tip portion 14 with the outlet port 30 of fluid reservoir 32 containing Ibuprofen, the latter as illustrated in Fig. 1 being a component physically separate from the probe 10 and generally comprising a syringe type device of cylindrical cross section. A removable cap insert 34 comprises lid 36 having a diameter greater than that of ~he tip 40 of the reservoir 32 thus providing a peripheral portion 38 for facilitating hand r~moval of the cap 34, as for example, when recharging the reservoir 32. The sidewall 42 of the cap 34 is provided at its leading or lower edge portion 44 wi~h a washer 46 sized to functionally engage at it~ outer vertical ~dge the inner surface of the sidewall 48 of the Ibuprofen solu~ion reservoir 32 there~y hermQtically sealing the 1uid contents of the reservoir.
Use of the Fig. 1 device is as follows: Ibuprofen solution is charged to the fluid reservoir 32 and the cap 34 is positioned as illustrated. The diamete!rs of the conduit 20 and the channel 22, and particularly the latter~ are relatively ~mall, to the extent that flow of char~ed fluid ~Irough the channel 22 is preven~ed principally by virtue of fluid surface tension effec~s unless and until the requisite pressure is applied ca~sing dQwnward displace~ent of the cap 34 along its longitudinal axis. ~he probe 10 is positioned in the oral cavity so that the other end of the channel portion of the tip 14 is inserted into the gingival sulcus indicated at 50 in Fig. l;
i.e., the space between the gum 52 and the tooth 54, also referred to as the tooth socket. The locus th~s having been determined, the user forcibly depresses the cap 34; the application of relatively slight pressure sufEices to overcome the aforementioned flow resistance thereby resulting in the discharge of Ibuprofen solution through the channel 22 to the determined area. In this manner, Ibuprofen is delivered at a point below the gum line, that is subgi~givally.
In further embodiments, the conduit 20 may be attached to the handle m~mber 12 at points 56 or 58 respectively as 13~7~30 indicated by the phantom lines in Fig. 1. In such cases, thehandle 12 is of tubular construction to establish a continuous flow path between the fluid point of entry and the channel 22.
Distal end connection as indicated at 58 is preferable being less likely to obstruct the user's gripping or manipulation of the deviceO
m e device may be used to the point of substantially camplete exhaustion of solution. As will ke apparent, air preqent in the reservoir 32 provides a cushion sufficient to enable the cap 34 to function as a piston despite the total absence of fluid in the reservoir. In any event, the ratio of the total volume of reservoir to total volume of conduit is usually quite large and thus waste due to unused conduit fluid is insignificant.
Manipulation of the Fig. 1 clevice by the user requires both hands as opposed to the Fig. 3 device requiring but one hand. In the latter device generally clesignated 60 the handle 62 is of tubular construction the distal end portion thereof serving as the Ibuprofen solution reservoir 64. m e latter is in fluid flow cc ~ unication with the aperture 66 via the conduit 68 proceeding through the neck portion 70, angled as previously described, and then through the tip p~rtion 72 convengent downwardly terminating in ~he aperture 66. The diameter of the reservoir 64 is relatively large compared to that of the conduit 68 for the reasons previously described as w~ll as to practically limit the length of the device. The handle 62 terminates distally in an outwardly flared or trumpeted portion 74 providing a funnel type end to facilitate chargi~g of Ibuprofen solution to the reservoir 64. ~he insert cap 76 is similar in configuration to the cap 34 of Fig. 1 comprising a lid 78 having a diameter greater than dotted lines in Figs. 3 and 3a thus providing a gripping area 80 for removal of the cap 76 fram the fully closed (inserted) position. The sidewall 82 is provided at its leading ~3~7~30 or lower end portion 84 with a washer 86 having a vertical edge adapted upon insertion to functionally engage th0 inner surface 88 of the handle 62 ~o thereby hermetically seal the Ibuprofen solution in the resevoir 64 and to stabilize the position of the cap 76.
m e Fig. 3 device is used as follows: Ibuprofen solution is charged to the reservoir 64 in the am~unt desired.
In the absence of pressure, fluid flow through the apertur~ 66 does not occur due to surface tension effe~ts as describ~d. m e cap 76 is inserted into the reservoir 64 to a depth penetration sufficient to stabilize its placement. Some albeit minor solution flow through the aperture 66 may occur indicating the attainment of solution discharge pressure. The device is positioned in the oral cavity in the m~mner previously described using the thumb or forefinger of the gIipping hand to depress the cap 76 to initiate and sustain fluid d~.scharge through ~he aperture 66.
In a further embcdLment, the reservoir 64 may be charged with a rupturable packet, cartridge or other suitable container encasing the Ibuprofen solution under pressure. The packet, configured in accordance with the internal dimensions of the reservoir 64 so as to snugly fit therewithin, is inserted into the reservoir so as to engage abutting means provided therin such as the annular flange 90 (Fig. 3) integrated with the handle 62 and defining an included flcwpath 92 at least equal in diameter to the conduit 68. The cap 76 in this emkodiment is configured so that when substantially fully inserted sufficient pressure is exerted upon the packet either by direct contact or air cushion its rupture is caused. m us, the proximal end wall of the packet which engages the flange 90 may be designed so as to be rupturable under the pressure conditions extant upon substantial cap insertion thereby releasing the auto-pressured Ibuprofen solution i~stead of abutting means, the internal 5 3 ~

diameter of the reservoir 64 may be necked down proxLmally so that closure of the cap 76 forces the packet into the smaller space, the resultant increased pressure causing rupture.
In the packet embodiments, flexible tip portions of the type illustrated in Figs. 4 and 5 are recommended~ In Fig. 4, a flexible tip portion 94 is provided with a gate ~ype valve 96 which is normally closed to prevent 1uid flcw ~etween the co~duit sections ~8 and 98a, the latter terminating in the outlet aperture 100. The valve 96 is provided wi~h a central horizontal slit to define equal upper and lower sec~ions indicated at 102 and 104 in Fig. 4a. In closed position, the valve 96 provides a pres~ure resi~tant hermetic seal positionally stable against the pressure exerted by the contents of the reservoir 64. Ho~ever, when the tip 94 is rota~ed as indicat~d by the directional arrow in Fig. 4a, as ~uld be the case when the surface 106 of the tip 94 is pressed against a tooth, flexure of ~he tip 94 causes the valve 96 to open to the position indicated by the valve sections 102 and 104 in Fig. 4a.
In Fig. 5, an inner surface 108 of the tip 100 is provided with nonmally closed ~lits 112, arranged substantially perpendicularly to the surface 108. In clos~d position, the slits provide a hermetic seal as described. ~o~ever, when the surface 108 is pressed against a tooth, flexure of the tip 110 as indicated by the directional arrYw of Fig. 5a causes the slits 112 ~o open providing the outlet aperture 112a for the pressurized Ibuprofen solution as indicated in Fig. 5a.
m e tip portions as illustrated in Figs. S and 5a are useful in the fluid (Figs. 1-3) as well as packet embodiment (Figs. 4 and 5). In the fonmer case, the cap member is inserted and depressed to the maximum depth permitted by the resultant back pressure. This indicates maximum depth consistant with staple positioning of the cap. In use, the operator need only flex the tip portion in the manner described to initiate and sustain solution discharge, there being no need to depress the _ g _ :L327~i30 cap.
The tip portions herein may be of hard rubber or similar poly~eric material having equivalent resiliency and strength. me material selected should in any event be inert to the contained Ibuprofen solutiong me outer surface of the tip should ~e nonirritating to ~he gums and tasteless. m e tip may be interchangeable and may be attached to the device by simply inserting ~he proximal end of the handle member thereintoO
Fig. 6 is generally similar to Fig. 1 except that (a)conduit 20 enters the digi~al portion 58 of the handle mRmber 12; ~b) a valve 110 in the handle member 12 is in the fonm of a re~trictor to control or halt flow through the condui~ 20; and (c~ the reservoir 32 is in the form of a flask-like bottle having a pump 111 in its neck movable along the lon~itudinal axis o~ the flask-like bottom form of ~he reservoir 32.
m e Ibuprofen solution may be in liquid or semisolid form.
In a further modification, valve means provided in the tip portion may be manipulated b~ control means suitably pr~vided in the handle portion and mechanically connected thereto.
In a further preferred embodiment, the handle member is construc~ed of transparent material, e.g~, inert filmrfonming synthetic organic polymer of types well kncwn in the art enabling visual metering of dosage. Su~h handle may be graduated, bearing indicia enabling relatively precise assessment of dosage.
Th~ following specific exanple is further illu~tratiYe of the nature of the present invention, but it is understood that the invention is not limited thereto. All ~mounts and propor~ions referred to herein are by weight unless otherwise indicated.
Example Fifteen adult squirrel nkeys are sedated and given a thorough prophylaxis following which the animals are evaluated for plaque and gingivitis at 36 maxillary and mandibular sites.

~7~3~

m e monkeys are assigned to three balanced groups and randonly assigned to three treatment groups. Experimental periodontitis is induced in 2 nkeys from each group b~ applying silk ligatures around the bases (supragingivally~ of the 1st and 2nd molars in one mandibular quadrant.
Contralateral teeth serve as controls. me experimental sites are initially evaluated for plaque and ginfivitis. In addition, a full microbiolo~ical assessnent of the experimental sites is ~ade. All of the anLmals are placed on a soft gingivitis-provoking diet.
Clinical and microbiological evaluations of the test sites are made at 3, 6, and 12 weeks. A histological evaluation of mandibles frcm nkeys which had sutures applied is performed at the study tenmination of 12 weeks.
All animals were treated once daily with the assigned treatments:
Group I - Wa~er control in the periodontal device of Fig~ 6.
Group II - 1.0% Ibuprofen (aqueous solution) in the periodontal device of Fig. 6.
Group III - 1.0~ Ibuprofen ~aqueous solution) mouth rinse.
Ibuprofen is prepared as a 1% sDlution in distilled water (W/V) and adjusted to pH 7.7 by the addition of NaOH, Na2HP04.7H20 ar~ KH2PO4. The final concentra~ion of phosphate buffer is approxLmately 0.0067M. The control solution contains the same concentration of pho6phate buffer in distilled water.
Approximately 5-6 cc of solutions are applied on all ~he dentition of the anlmals. m e ~outhrinse solution is delivered with polyethylene spray bottle. Solutions are given via the periodontal ddevice at a rate of 10 ml per minute (10 seconds/quadrant) in the gingival sulci.
The resul~s of the study, are summarized in ~he Table belGw.

~L32~3~

~ABLE
Results of a histological evaluation of ligated sites for inflamma~ion, expressed as a single score, the Mean Gingivitas Index Group N Mean Gin~i~itis Scores Control in Perio Device 4 1.75 1% Ibuprofen in Perio ~vice 4 0.75 1% Ibuprofen Rinse 4 1.87 N = Number of The above results indicate that Ibuprofen solution administered with the periodontal device is clearly effective in reducing the histological indicators of inflammation particularly including inflamnatory cell infiltration (as well as alveolar bone resorption) compared to either the control in the Perio Device or ~he 1% Ibuprofen rinse which exhibits no anti-inflamation an~igingivitis effect oompared to the control.
Similar antigingivitis effectiveness is obtained when the Ibuprofen solution employed in the periodontal device is the fonm of the sodiu~ sal~, aluminum salt, n~thyl ester and t-butyl ester.
It will be apparent to one skilled in the art that various mcdifications of the foregoing exa~ples may ba made thereto~

Claims (11)

1. A periodontal gum device comprising an elongated handle member terminating proximally in a flexible tip portion provided with at least one aperture for discharge of a solution containing 0.1-5% by weight of Ibuprofen, a pharmaceutically acceptable salt thereof or lower alkyl C1-6 ester thereof, which is stored in a fluid reservoir in said device from which said solution is delivered to said aperture, said tip portion being configured to expedite probing contact with gingival sulcus and permit discharge of said solution into gingival sulcus.
2. The device claimed in claim 1 wherein said solution contains Ibuprofen, any of the potassium, sodium, calcium, magnesium or amine salt thereof or any of the methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, t-butyl, pentyl or hexyl esters thereof.
3. The device claimed in claim 2 wherein said solution contains Ibuprofen.
4. The device as in claim 1 wherein said Ibuprofen, pharmaceutically acceptable salt thereof or lower alkyl ester thereof is present in said solution in an amount of 1 to 3 percent thereof.
5. The device as in claim 1 wherein said solution contains at least one humectant.
6. The device as in claim 1 wherein said solution contains at least one surface active agent.
7. The device as in claim 1 wherein said solution contains at least one preservative.
8. The device as in claim 1 wherein said solution has a pH of about 7 to 8.5.
9. The device as in claim 1 wherein said solution contains at least one humectant, at least one surface active agent and at least one preservative and has a pH of about 7 to 8.5.
10. Use of a device according to any one of claims 1 to 9 to treat gingivitis in a mammal.
11. A commercial package comprising a device according to any one of claims 1 to 9 together with instructions for use thereof to treat gingivitis in a mammal.
CA000572377A 1987-07-20 1988-07-19 Device and composition for treatment of the gums Expired - Fee Related CA1327530C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/075,165 US4843099A (en) 1987-07-20 1987-07-20 Device and composition for treatment of the gums
US075165 1987-07-20

Publications (1)

Publication Number Publication Date
CA1327530C true CA1327530C (en) 1994-03-08

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ID=22123989

Family Applications (1)

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CA000572377A Expired - Fee Related CA1327530C (en) 1987-07-20 1988-07-19 Device and composition for treatment of the gums

Country Status (12)

Country Link
US (1) US4843099A (en)
EP (1) EP0300277A3 (en)
JP (1) JPS6452456A (en)
AU (1) AU616668B2 (en)
BR (1) BR8803616A (en)
CA (1) CA1327530C (en)
DK (1) DK406288A (en)
MX (1) MX166344B (en)
NO (1) NO883220D0 (en)
NZ (1) NZ225318A (en)
PH (1) PH24723A (en)
ZA (1) ZA884950B (en)

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Also Published As

Publication number Publication date
EP0300277A3 (en) 1989-08-02
EP0300277A2 (en) 1989-01-25
JPS6452456A (en) 1989-02-28
NO883220D0 (en) 1988-07-20
NZ225318A (en) 1990-09-26
ZA884950B (en) 1990-03-28
US4843099A (en) 1989-06-27
BR8803616A (en) 1989-02-08
DK406288A (en) 1989-01-21
DK406288D0 (en) 1988-07-20
AU1900488A (en) 1989-01-27
PH24723A (en) 1990-10-01
MX166344B (en) 1992-12-30
AU616668B2 (en) 1991-11-07

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